good morning. it is friday, november 16, 2012. welcome to cbs "this morning." david petraeus is minutes away from telling congress what the cia was doing in benghazi. >> breaking news, air raid sirens and explosion, violence escalates in the middle east. israel inches closer to sending ground forces into gaza. we're at the border. >> nfl commissioner roger goodell is in studio 57 today to talk concussions, expansion and why your kids should still play football. >> but we begin this morning with today's "eye opener," your world in 90 seconds. we lost fouramericans.